Becton Dickinson is investigating reports from U.S. nursing homes that the company’s rapid coronavirus testing equipment is producing false-positive results.

U.S. drugmaker Eli Lilly & Co. is beginning a late-stage trial to study whether one of the company’s experimental Covid-19 antibody treatments can prevent the spread of the virus in residents and staff at U.S. nursing homes.

Health officials in Washington state said a nursing home resident died after contracting coronavirus, while New York’s governor confirmed his state’s first positive case, as the virus moved out of its West Coast foothold.

Older adults who take vitamin D and calcium are no less likely to break their hips or other bones than peers who do not use these supplements per a research review.

Sanofi SA ended development of an experimental vaccine for Clostridium difficile infection.